org.apache.flink.table.planner.functions.casting

Interface CodeGeneratorCastRule<IN,OUT>

Type Parameters:

IN - Input internal type

OUT - Output internal type

All Superinterfaces:

CastRule<IN,OUT>

All Known Subinterfaces:

ExpressionCodeGeneratorCastRule<IN,OUT>

@Internal
public interface CodeGeneratorCastRule<IN,OUT>
extends CastRule<IN,OUT>

Cast rule that has code generation capabilities.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	CodeGeneratorCastRule.Context Context for code generation.

Method Summary

Modifier and Type	Method and Description
CastCodeBlock	generateCodeBlock(CodeGeneratorCastRule.Context context, String inputTerm, String inputIsNullTerm, org.apache.flink.table.types.logical.LogicalType inputLogicalType, org.apache.flink.table.types.logical.LogicalType targetLogicalType) Generates a CastCodeBlock composed by different statements performing the casting.

Methods inherited from interface org.apache.flink.table.planner.functions.casting.CastRule

canFail, create, getPredicateDefinition

Method Detail

generateCodeBlock

CastCodeBlock generateCodeBlock(CodeGeneratorCastRule.Context context,
                                String inputTerm,
                                String inputIsNullTerm,
                                org.apache.flink.table.types.logical.LogicalType inputLogicalType,
                                org.apache.flink.table.types.logical.LogicalType targetLogicalType)

Generates a CastCodeBlock composed by different statements performing the casting.

See Also:

CastCodeBlock